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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 508 · 40 questions
TalentJR

Developer's tip (Stack of screens): Open a screen → it goes on top of the stack. Back → the top screen closes; you see the one underneath. Tap a tab → you jump to that tab’s main screen. Backs needed to get home = screens on the stack − 1.

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  1. 1.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Map”
    3. tap Back
    Which screen are you on now?
    (a) Home (b) Search (c) Map (d) Video
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Friend list”
    3. tap Back
    4. open “Match report”
    5. tap the Lessons tab
    Which screen are you on now?
    (a) Lessons (b) Match report (c) Video (d) Friend list
  3. 3.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
  4. 4.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
  5. 5.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to hide the menu (c) to look busy (d) to use more battery
  6. 6.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. tap the Lessons tab
    4. open “Match report”
    Which screen are you on now?
    (a) Quiz (b) Help page (c) Match report (d) Lessons
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. open “Match report”
    5. open “Map”
    Which screen are you on now?
    (a) Match report (b) Map (c) Home (d) Search
  9. 9.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Edit photo”
    4. tap Back
    5. tap Back
    Which screen are you on now?
    (a) Edit photo (b) Lessons (c) Friend list (d) Badges
  11. 11.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap the Profile tab
    4. open “Help page”
    Which screen are you on now?
    (a) Search (b) Home (c) Help page (d) Profile
  13. 13.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. tap Back
    4. tap the Home tab
    Which screen are you on now?
    (a) Home (b) Search (c) Video (d) Profile
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. tap the Me tab
    5. tap the Lessons tab
    Which screen are you on now?
    (a) Edit photo (b) Friend list (c) Quiz (d) Lessons
  17. 17.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) opens a list of pages (d) shows 3 to 5 icons
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. tap the Quiz tab
    4. tap the Lessons tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Badges”
    3. tap Back
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?
    (a) Badges (b) Edit photo (c) Score card (d) Feed
  21. 21.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) switches main sections (d) opens a list of pages
  22. 22.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?
    (a) Match report (b) Chat (c) Video (d) Feed
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Lessons tab
    4. tap the Lessons tab
    Which screen are you on now?
    (a) Lessons (b) Badges (c) Edit photo (d) Quiz
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Badges”
    4. tap Back
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    4. open “Friend list”
    Which screen are you on now?
    (a) Home (b) Friend list (c) Search (d) Video
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Score card”
    4. open “Badges”
    5. tap the Feed tab
    Which screen are you on now?
    (a) Badges (b) Score card (c) Feed (d) Chat
  29. 29.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) switches main sections
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.Which of these is true of the back button? (a) sits at the bottom (b) hides extra links (c) switches main sections (d) goes to the last screen
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?
    (a) Match report (b) Lessons (c) Quiz (d) Edit photo
  34. 34.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?
    (a) Feed (b) Match report (c) Settings (d) Chat
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. tap the Lessons tab
    Which screen are you on now?
    (a) Lessons (b) Edit photo (c) Quiz (d) Me
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Badges”
    4. tap the Lessons tab
    5. open “Map”
    Which screen are you on now?
    (a) Quiz (b) Badges (c) Map (d) Lessons
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Match report”
    4. open “Edit photo”
    5. open “Score card”
    Which screen are you on now?
    (a) Score card (b) Match report (c) Friend list (d) Badges
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Map”
    4. open “Badges”
    Which screen are you on now?
    (a) Feed (b) Badges (c) Map (d) Chat

Answer key

  1. Video
  2. Lessons
  3. goes to the last screen
  4. that tab’s main screen
  5. so users do not get lost
  6. the back button
  7. Match report
  8. Map
  9. at the bottom
  10. Badges
  11. a tab bar
  12. Help page
  13. a tab bar
  14. Home
  15. 3 to 5
  16. Lessons
  17. opens a list of pages
  18. 1
  19. the back button
  20. Score card
  21. undoes one move
  22. a menu button
  23. Feed
  24. Lessons
  25. 0
  26. a menu button
  27. Friend list
  28. Feed
  29. switches main sections
  30. 1
  31. goes to the last screen
  32. 3
  33. Lessons
  34. shows 3 to 5 icons
  35. 1
  36. Chat
  37. Lessons
  38. Map
  39. Score card
  40. Badges

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